MUJI Ultrasonic Aroma Diffuser - Excellent Condition Features: * Light function (3-level dimming, including off) * Timer function (30, 60, 120, 180 minutes) * Functionality confirmed No box or measuring cup included. Used item, so there are minor scratches visible when held up to the light, but there are no issues with use. Please refer to the MUJI website to search for the instruction manual for details on how to operate the diffuser. Humidification type: Ultrasonic Humidifier